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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-12 23:27:20 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-12 23:27:20 +0300 |
| commit | 5f739e4a491ab63730ef3b7464171340c689fbff (patch) | |
| tree | 0ebf797a2b43ebefac2e5d0ef113b12a57c2b964 /fs/read_write.c | |
| parent | a667cb7a94d48a483fb5d6006fe04a440f1a42ce (diff) | |
| parent | 12e1e7af1a55b9f911025365af4c689b3933c22a (diff) | |
| download | linux-5f739e4a491ab63730ef3b7464171340c689fbff.tar.xz | |
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
"Assorted fixes (really no common topic here)"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: Make __vfs_write() static
vfs: fix preadv64v2 and pwritev64v2 compat syscalls with offset == -1
pipe: stop using ->can_merge
splice: don't merge into linked buffers
fs: move generic stat response attr handling to vfs_getattr_nosec
orangefs: don't reinitialize result_mask in ->getattr
fs/devpts: always delete dcache dentry-s in dput()
Diffstat (limited to 'fs/read_write.c')
| -rw-r--r-- | fs/read_write.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index 30df848b7451..177ccc3d405a 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -478,8 +478,8 @@ static ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t return ret; } -ssize_t __vfs_write(struct file *file, const char __user *p, size_t count, - loff_t *pos) +static ssize_t __vfs_write(struct file *file, const char __user *p, + size_t count, loff_t *pos) { if (file->f_op->write) return file->f_op->write(file, p, count, pos); @@ -1238,6 +1238,9 @@ COMPAT_SYSCALL_DEFINE5(preadv64v2, unsigned long, fd, const struct compat_iovec __user *,vec, unsigned long, vlen, loff_t, pos, rwf_t, flags) { + if (pos == -1) + return do_compat_readv(fd, vec, vlen, flags); + return do_compat_preadv64(fd, vec, vlen, pos, flags); } #endif @@ -1344,6 +1347,9 @@ COMPAT_SYSCALL_DEFINE5(pwritev64v2, unsigned long, fd, const struct compat_iovec __user *,vec, unsigned long, vlen, loff_t, pos, rwf_t, flags) { + if (pos == -1) + return do_compat_writev(fd, vec, vlen, flags); + return do_compat_pwritev64(fd, vec, vlen, pos, flags); } #endif |